Anti-loosening oil seal structure
By designing an anti-loosening oil seal structure, and utilizing a combination of rubber rings, push blocks, anti-loosening strips, and wedge blocks, the displacement problem of the oil seal in high vibration environments is solved, achieving dynamic adaptive fixing of the oil seal and enhancing sealing performance and equipment stability.
Patent Information
- Application Number
- CN202520273560.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-20
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-02-20
AI Technical Summary
Existing oil seals are prone to displacement due to severe impact and vibration in high-vibration environments, which affects the sealing effect and may even lead to equipment failure.
The oil seal adopts an anti-loosening structure, which includes a combination design of rubber ring, push block, anti-loosening strip, limit strip and wedge block. Through the linkage mechanism between wedge block and push block, dynamic self-adaptive fixing is achieved to prevent oil seal displacement.
It effectively prevents oil seals from loosening or shifting in high-vibration environments, enhances sealing performance, ensures normal equipment operation, and reduces the risk of oil leakage.
Smart Images
Figure CN223609302U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to oil seal technical field, especially, relate to a prevent loose oil seal structure. BACKGROUND
[0002] The function of oil seal is to prevent liquid, gas or dust and other external substances from entering the inside of mechanical equipment, at the same time, prevent internal lubricating oil or other liquid from leaking out, it reduces friction, protects components, prolongs the service life of equipment and improves work efficiency through sealing and isolation, and oil seal is widely used in the field of automobile, machinery, aviation, etc., ensures the normal operation of equipment under high temperature, high pressure or bad environment.
[0003] The oil seal in the prior art still has some problems in the process of use, for example: in the high vibration environment, the oil seal is easy to displace due to violent impact and vibration, and then the sealing effect is affected, in addition, displacement may also cause poor contact between the oil seal and the shaft or the shell, increase the risk of oil leakage, and even cause equipment failure in serious cases, therefore, the present application provides a prevent loose oil seal structure to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a prevent loose oil seal structure, which can reduce the displacement of the oil seal caused by vibration, and solve the problem of displacement of the oil seal in the prior art due to vibration.
[0005] To solve the above technical problems, the utility model is realized by the following technical scheme.
[0006] The utility model relates to a prevent loose oil seal structure, including oil seal body, rubber ring is fixedly connected on both sides of oil seal body, the top of oil seal body inner chamber is fixedly connected with push block, push block both sides are fixedly connected with anti -drop strip, the bottom of oil seal body inner chamber both sides is fixedly connected with limit strip, the inside limit strip is slidably connected with moving plate, one side of moving plate is fixedly connected with push plate, the top of push plate is fixedly connected with wedge, and push plate bottom is fixedly connected with pressing plate.
[0007] The utility model further sets up, the inside push block is provided with pressing groove, and the wedge is slidably connected in the pressing groove.
[0008] The utility model further sets up, the material of push block is silicon rubber, and push block is used to push the movement of anti -drop strip.
[0009] The utility model further sets up, the material of anti -drop strip is nylon, and the elasticity and wear resistance of anti -drop strip prevent the displacement of oil seal.
[0010] The utility model further sets up, the limit groove is set up in the inside of the limit strip, the moving plate is connected in the inside of limit groove.
[0011] The utility model further sets up, the circle body diameter of oil seal body is 50mm, the inner ring diameter of oil seal body is 30mm.
[0012] The utility model further sets up, the cross section width of oil seal body is 15mm, the cross section height of oil seal body is 8mm.
[0013] The utility model has following beneficial effect: through the setting of rubber ring, not only can increase the friction of oil seal body and the inner wall of mounting seat, but also can increase certain sealing performance, through the setting of anti -drop strip, can fix oil seal on the mounting seat in the inside of oil pipe, prevent the displacement of oil seal due to vibration, through the cooperation of pressing plate and wedge, can make the expansion of push block, and extrude anti -drop strip, make it contact with the inner wall of mounting seat, thereby fix oil seal in the inside of oil pipe. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be to the embodiment description needed to use the drawing do simple introduction.
[0015] Figure 1 It is a perspective view of a kind of anti-loosening oil seal structure.
[0016] Figure 2 It is a partial sectional view of the oil seal body in a kind of anti-loosening oil seal structure.
[0017] Figure 3 It is an explosion view of the oil seal in a kind of anti-loosening oil seal structure.
[0018] Figure 4 It is a sectional view of the oil seal body in a kind of anti-loosening oil seal structure.
[0019] In the drawing, 1, oil seal body;2, rubber ring;3, push block;4, anti-drop strip;5, limit strip;6, moving plate;7, push plate;8, wedge;9, pressing plate;10, pressing groove;11, limit groove. DETAILED DESCRIPTION
[0020] The technical scheme in the embodiment of the utility model will be described below in conjunction with the drawings in the embodiment of the utility model, the described embodiment is only a part of the embodiment of the utility model, not all embodiments.
[0021] Embodiment 1
[0022] Please refer to Figures 1-4The utility model discloses a kind of anti-loosening oil seal structures, including oil seal body 1, rubber ring 2 is fixedly connected in the both sides of oil seal body 1, push block 3 is fixedly connected in the top of the inner chamber of oil seal body 1, push block 3 both sides are fixedly connected with anti-loosening strip 4, the inner chamber bottom of oil seal body 1 both sides are fixedly connected with limit strip 5, slidingly connected with moving plate 6 in limit strip 5 inside, moving plate 6 one side is fixedly connected with push plate 7, push plate 7 top is fixedly connected with wedge block 8, push plate 7 bottom is fixedly connected with pressing plate 9.
[0023] Specific: the number of rubber ring 2 is four, is fixed in the top and bottom of the inner circle and the outer circle surface of oil seal body 1 respectively, push block 3 is made of silicone rubber, has good elasticity and aging resistance, when wedge block 8 contacts with the pressing groove 10 inside push block 3, push block 3 will be deformed, thereby push anti-loosening strip 4 moves, limit strip 5 is limited by the deformation range of push block 3 through the slidingly connected moving plate 6 and push plate 7, ensure that anti-loosening strip 4 is uniformly stressed.
[0024] Example 2
[0025] Please refer to Figures 1-4 On the basis of example 1, push block 3 is provided with pressing groove 10 inside, wedge block 8 is slidingly connected in pressing groove 10, the material of push block 3 is silicone rubber, push block 3 is used to push anti-loosening strip 4 to move, the material of anti-loosening strip 4 is nylon, which prevents oil seal displacement through its elasticity and wear resistance, limit groove 11 is formed in the inside of limit strip 5, moving plate 6 is slidingly connected in limit groove 11, the circle body diameter of oil seal body 1 is 50mm, the inner circle diameter of oil seal body 1 is 30mm, the cross section width of oil seal body 1 is 15mm, the cross section height of oil seal body 1 is 8mm.
[0026] Specific: the shape of pressing groove 10 is triangle, so as to adapt to wedge block 8, can ensure that push block 3 is uniformly stressed when operating, avoid deformation or loosening due to uneven pressure, push block 3 is used to push anti-loosening strip 4 to move, so that it contacts with the inner wall of mounting seat, nylon has enough rigidity and durability, can effectively prevent oil seal displacement in high vibration environment.
[0027] The working principle of the utility model is: the user places oil seal body 1 in mounting seat, when pressing plate 9 is extruded and moves upward, it drives wedge block 8 to move upward through push plate 7 when moving, so that it moves to the inside of pressing groove 10, at this time, wedge block 8 extrudes push block 3 through pressing groove 10, so that push block 3 expands and deforms, and limit strip 5 is moved by push block 3, so that it contacts with the inner wall of mounting seat, ensure the fixed position of oil seal, prevent loosening or displacement, through the linkage mechanism of wedge block 8 and push block 3, realize the dynamic self-adaptive fixing of anti-loosening strip 4, solve the problem of traditional oil seal relying on static friction fixation.
[0028] The preferred embodiments disclosed above are only used to help describe the utility model, the preferred embodiments do not describe all the details, and the utility model is not limited to the specific implementation manner described, the description selects and specifically describes these embodiments, in order to better explain the principle and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model.
Claims
1. A self-retaining oil seal structure comprising an oil seal body (1), characterized by: The oil seal body (1) is fixedly connected with rubber rings (2) on both sides, the oil seal body (1) is fixedly connected with a push block (3) at the top of the inner cavity, the push block (3) is fixedly connected with anti-off strips (4) on both sides, and the anti-off strips (4) extend outward along the radial direction of the oil seal body (1), the oil seal body (1) is fixedly connected with limiting strips (5) on both sides at the bottom of the inner cavity, the limiting strips (5) are slidably connected with a moving plate (6) inside, the moving plate (6) is fixedly connected with a push plate (7) on one side, the push plate (7) is fixedly connected with a wedge block (8) at the top, and the push plate (7) is fixedly connected with a pressing plate (9) at the bottom.
2. The anti-shedding oil seal structure of claim 1, wherein: The push block (3) is internally provided with a pressing groove (10), and the wedge block (8) is slidably connected inside the pressing groove (10).
3. The anti-shedding oil seal construction of claim 1 wherein: The material of the push block (3) is silicone rubber, which is used to push the anti-off strips (4) to move.
4. The anti-shedding oil seal construction of claim 1 wherein: The material of the anti-off strips (4) is nylon, which prevents the displacement of the oil seal through its elasticity and wear resistance.
5. The anti-shedding oil seal construction of claim 1 wherein: The limiting strips (5) are internally provided with limiting grooves (11), and the moving plate (6) is slidably connected inside the limiting grooves (11).
6. The anti-shedding oil seal construction of claim 1 wherein: The ring body diameter of the oil seal body (1) is 50mm, and the inner ring diameter of the oil seal body (1) is 30mm.
7. The anti-shedding oil seal construction of claim 1 wherein: The cross-sectional width of the oil seal body (1) is 15mm, and the cross-sectional height of the oil seal body (1) is 8mm.